html,body {
    color: #666;
    max-width:640px;
    margin: 0 auto !important;
    -webkit-font-smoothing: antialiased;
    font-family: "微软雅黑", "Microsoft YaHei", SimHei, "Helvetica Neue", Helvetica, Arial, sans-serif !important;
}

@media only screen and (min-width: 320px) and (max-width: 359px) {
    html {
        font-size: 17.06px !important;
    }
}

@media only screen and (min-width: 360px) and (max-width: 374px) {
    html {
        font-size: 19.2px !important;
    }
}

@media only screen and (min-width: 375px) and (max-width: 413px) {
    html {
        font-size: 20px !important;
    }
}

@media only screen and (min-width: 414px) and (max-width: 499px) {
    html {
        font-size: 22.08px !important;
    }
}

@media only screen and (min-width: 500px) and (max-width: 567px) {
    html {
        font-size: 26.66px !important;
    }
}

@media only screen and (min-width: 568px) and (max-width: 639px) {
    html {
        font-size: 30.29px !important;
    }
}

@media only screen and (min-width: 640px) {
    html {
        font-size: 34.13px !important;
    }
}
ul,ol{
    padding:0;
    margin:0;
}
ul li,ol li{
    list-style:none;
}
button, a {
    -webkit-touch-callout: none;
    -moz-touch-callout: none;
    -ms-touch-callout: none;
    touch-callout: none;
    user-select: none
}

input,button{
    -webkit-appearance: none;
    outline: none;
    border-radius: 0;
}
img{
    width:100%;
}
a{
    text-decoration: none;
    display:block;
}
.fl{
    float:left;
}
.fr{
    float:right;
}
/* 清楚浮动 */

.clear {
  clear: both;
}

.clearfix:after {
  content: '';
  display: block;
  height: 0;
  clear: both;
}

.clearfix {
  zoom: 1;
}

/* 清楚浮动 */
.page{
    width:100%;
    height:100%;
    background:#f4f4f4;
    padding-bottom:20%;
    position:relative;
}
.top{
    width:100%;
    height:2.63rem;
    background:#1c1b20;
    color:#fff;
    line-height:2.63rem;
    position:relative;
}
 .top span{
    display:block;
    width:50%;
    height:2.63rem;
    position:absolute;
    top:0;
    text-align:center;
    left:50%;
    margin-left:-25%;
    overflow: hidden;
    text-overflow:ellipsis;
    white-space: nowrap;
     outline: 0!important;
     font-size:.87rem;
     color:#fff;
     line-height:2.63rem;
}
